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On May 21, 2012 11:22 PM, "luis jure" <ljc@××××××××××××.uy> wrote: |
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> |
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> on 2012-05-21 at 22:14 Andrew Lowe wrote: |
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> |
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> > I have no intention of applying whatever process to the media machine, |
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> > the tracks on that remain as ripped. I only want to "fiddle" the tracks |
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> > on the memory stick. |
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> |
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> your files are mp3, right? what you want to do is fairly simple, just use |
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> media-sound/mp3gain |
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> |
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> just direct your browser to http://mp3gain.sourceforge.net/ and get some |
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> background. i haven't found much documentation on-line, just install it |
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and |
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> run mp3gain -h. |
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> |
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> i guess this is what you need, because: |
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> |
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> 1. the application does not perform normalization (which would mean |
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> decoding and re-encoding ), it only adjusts the replaygain tag in the mp3 |
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> file; |
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> |
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> 2. the adjustment is not based on peak amplitude, but on the ReplayGain |
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> "loudness" algorithm (don't know much of the details, but basically it's |
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> RMS calculation with some psychoacoustic adjustments, based on the |
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"lodness |
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> curve"). |
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> |
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> check these options: |
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> |
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> -r - apply Track gain automatically (all files set to equal loudness) |
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> -k - automatically lower Track/Album gain to not clip audio |
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> -a - apply Album gain automatically (files are all from the same |
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> album: a single gain change is applied to all files, so their |
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> loudness relative to each other remains unchanged, but the average |
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> album loudness is normalized) |
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> |
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Unfortunately, that only works with mp3 files. |
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Since the OP explicitly mentions ogg, I can only recommend foobar2000. |
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That said, if OP is willing to transcode his ogg (and flac, if any) |
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collection to mp3, then I agree that mp3gain is the best, failsafe |
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alternative (i.e., since it tweaks the "global gain" parameter of the mp3 |
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file, virtually all music players will be compatible). |
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Rgds, |